<template>
  <div>
    <h1>{{id ? '编辑' : '添加'}}物品</h1>

    <div style="margin: 20px;"></div>

    <el-form @submit.native.prevent="save" label-width="120px">
      <el-form-item label="名称">
        <el-input v-model="model.name"></el-input>
      </el-form-item>
      <el-form-item label="图标">
        <el-upload
          class="avatar-uploader"
          :action="uploadUrl()" 
          :headers="getAuthHeaders()"
          :show-file-list="false"
          :on-success="afterUpload"
        >
        <!-- :action是 发出图片上传请求 
            :on-success 是上传成功是调用的钩子-->
          <img v-if="model.icon" :src="model.icon" class="avatar" />
          <i v-else class="el-icon-plus avatar-uploader-icon"></i>
        </el-upload>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" native-type="submit">保存</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>



<script>
export default {
  name: "",
  props: {
    id: {}
  },
  data() {
    return {
      labelPosition: "right",
      model: {
        name: "",
        icon: ""
      }
    };
  },
  methods: {
    afterUpload(res) {
      this.model.icon = res.url;
    },
    async save() {
      console.log(1);

      let res;
      if (this.id) {
        // 修改
        res = await this.$http.put(`rest/items/${this.id}`, this.model);
      } else {
        // 新建
        res = await this.$http.post("rest/items", this.model);
      }
      this.$router.push(`/items/list`);
      this.$message({
        type: "success",
        message: "保存成功"
      });
      // console.log(res)
    },
    async fetch() {
      // 更新数据
      const res = await this.$http.get(`rest/items/${this.id}`);
      this.model = res.data;
    }
  },
  created() {
    this.id && this.fetch();
  }
};
</script>





<style>

</style>